Abstract
Mesoporous MCM-41 was synthesized using cetyltrimethyl ammonium bromide (CTAB) as a cationic surfactant and spent glass as the silica source. The prepared samples were characterized by X-ray powder diffraction (XRD), nitrogen adsorption–desorption analysis, Fourier transform infrared spectroscopy (FTIR), and scanning electron microscope–energy dispersive spectroscopy (SEM–EDS). The results showed that the surface area, pore volume and pore diameter could be up to 1328m2g−1, 0.82cm3g−1 and 2.62nm, respectively. The toluene adsorption capacity of MCM-41 (from pure chemical sources) at different concentrations could be calculated to be about 60, 104, 195 and 262mgg−1, respectively. In terms of breakthrough curve shape, the experimental results for G-MCM (from spent glass) were similar to those for MCM-41. Furthermore, the adsorption capacities of MCM-41 and G-MCM (mesoporous silica materials synthesized from spent glass) were almost the same. In this study, the effects of operation parameters, such as contact time and mixture concentration, on adsorption performance were also assessed.
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